—Tom came back home the day before yesterday. — Really? Where __________ at all?
Try on both shoes and walk around to ensure a comfortable fit ___ you know your shoe size.
The engineers are so busy that they have zero time for outdoor sports activities, ___ they have the interest.
This restaurant has become popular for its wide ___ of foods that suits all tastes and pockets.
Teachers have to constantly update their knowledge in order to maintain their professional ___.
Though told to stop, the excited speaker ___ talking.